ABB|CI840A-EA| Communication Interface
ABB CI840A-EA Fieldbus Communication Interface Module
The ABB CI840A-EA is a configurable communication interface module designed for redundant applications, enabling high-performance connectivity between I/O systems and controllers via PROFIBUS-DPV1 fieldbus.
Features
- Supports PROFIBUS-DPV1 fieldbus communication
- Enables HART pass-through and I/O module configuration
- Offers Hot Configuration In Run and OSP handling
- Provides isolated power supply to I/O modules
- Compatible with TU846 (redundant I/O) and TU847 (non-redundant I/O) termination units
Technical Specifications
- Module Type: Fieldbus Communication Interface (FCI)
- Communication Protocol: PROFIBUS DP-V1
- Operating Mode: Slave
- Line Redundancy Support: Yes
- Module Redundancy Support: Yes
- Hot Swap Capability: Yes
- Controller Compatibility: Works with HI Controllers
- Typical 24 VDC Consumption: 190 mA
Environmental & Certifications
- CE Marking: Yes
- Electrical Safety Standards: EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201
- Hazardous Location Approvals: Class I Div. 2 and Zone 2 (cULus and ATEX)
- Marine Certifications: ABS, BV, DNV-GL, LR
- Operating Temperature: 0°C to 55°C (with approvals at 5°C to 55°C)
- Storage Temperature: -40°C to 70°C
- Pollution Degree: 2 per IEC 60664-1
- Corrosion Protection: ISA-S71.04: G3
- Relative Humidity Tolerance: 5% to 95%, non-condensing
- Protection Class: IP20
- RoHS Compliance: DIRECTIVE/2011/65/EU
- WEEE Compliance: DIRECTIVE/2012/19/EU
Physical Dimensions
- Width: 54 mm
- Height: 119 mm
- Depth: 96 mm
- Weight: 0.2 kg
ABB|CI840A-EA| Communication Interface

ABB|CI840A-EA| Communication Interface
ABB CI840A-EA Fieldbus Communication Interface Module
The ABB CI840A-EA is a configurable communication interface module designed for redundant applications, enabling high-performance connectivity between I/O systems and controllers via PROFIBUS-DPV1 fieldbus.
Features
- Supports PROFIBUS-DPV1 fieldbus communication
- Enables HART pass-through and I/O module configuration
- Offers Hot Configuration In Run and OSP handling
- Provides isolated power supply to I/O modules
- Compatible with TU846 (redundant I/O) and TU847 (non-redundant I/O) termination units
Technical Specifications
- Module Type: Fieldbus Communication Interface (FCI)
- Communication Protocol: PROFIBUS DP-V1
- Operating Mode: Slave
- Line Redundancy Support: Yes
- Module Redundancy Support: Yes
- Hot Swap Capability: Yes
- Controller Compatibility: Works with HI Controllers
- Typical 24 VDC Consumption: 190 mA
Environmental & Certifications
- CE Marking: Yes
- Electrical Safety Standards: EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201
- Hazardous Location Approvals: Class I Div. 2 and Zone 2 (cULus and ATEX)
- Marine Certifications: ABS, BV, DNV-GL, LR
- Operating Temperature: 0°C to 55°C (with approvals at 5°C to 55°C)
- Storage Temperature: -40°C to 70°C
- Pollution Degree: 2 per IEC 60664-1
- Corrosion Protection: ISA-S71.04: G3
- Relative Humidity Tolerance: 5% to 95%, non-condensing
- Protection Class: IP20
- RoHS Compliance: DIRECTIVE/2011/65/EU
- WEEE Compliance: DIRECTIVE/2012/19/EU
Physical Dimensions
- Width: 54 mm
- Height: 119 mm
- Depth: 96 mm
- Weight: 0.2 kg